/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package storm.trident.windowing;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import backtype.storm.coordination.BatchOutputCollector;
import storm.trident.operation.Aggregator;
import storm.trident.spout.IBatchID;
import storm.trident.tuple.TridentTuple;
import storm.trident.windowing.config.WindowConfig;
/**
* This {@code ITridentWindowManager} instance stores all the tuples and trigger related information inmemory.
*/
public class InMemoryTridentWindowManager extends AbstractTridentWindowManager<TridentTuple> {
private static final Logger LOG = LoggerFactory.getLogger(InMemoryTridentWindowManager.class);
public InMemoryTridentWindowManager(WindowConfig windowConfig, String windowTaskId, WindowsStore windowStore, Aggregator aggregator,
BatchOutputCollector delegateCollector) {
super(windowConfig, windowTaskId, windowStore, aggregator, delegateCollector);
}
@Override
protected void initialize() {
LOG.debug("noop in initialize");
}
@Override
public List<TridentTuple> getTridentTuples(List<TridentTuple> tridentBatchTuples) {
return tridentBatchTuples;
}
@Override
public void onTuplesExpired(List<TridentTuple> expiredTuples) {
LOG.debug("InMemoryTridentWindowManager.onTuplesExpired");
}
public void addTuplesBatch(Object batchId, List<TridentTuple> tuples) {
LOG.debug("Adding tuples to window-manager for batch: [{}]", batchId);
for (TridentTuple tridentTuple : tuples) {
windowManager.add(tridentTuple);
}
}
public String getBatchTxnId(Object batchId) {
if (!(batchId instanceof IBatchID)) {
throw new IllegalArgumentException("argument should be an IBatchId instance");
}
return ((IBatchID) batchId).getId().toString();
}
}